Vehicle & Technical > Discovery
Suspension suggestions
clbarclay:
Had a go earlier, but its either very scruffy and difficult to understand or very time consuming. Solidwoks wasn't realy designed for this kind of thing. Still its better than my verbal explanation skills, I'll try to get some screen shots of the basic model later.
Gav_T:
I was told in the defender forum that +2" springs and dampers with -2" lowered mounts will cause the dampers to bottom out?
Will +5" dampers work with +2" lift springs?
Me and my mate (90 and disco) are wanting to try and get plenty travel in the suspension.Will the x eng dislocation springs help?
Sorry to hijack
Gav.
clbarclay:
--- Quote from: "Gav_T" ---I was told in the defender forum that +2" springs and dampers with -2" lowered mounts will cause the dampers to bottom out?
Will +5" dampers work with +2" lift springs?
Me and my mate (90 and disco) are wanting to try and get plenty travel in the suspension.Will the x eng dislocation springs help?
Sorry to hijack
Gav.
--- End quote ---
slight confusion of issues here, the springs should not be used to prevent upwards suspension travel, instead the bumpstops should be the limit.
By just fitting longer dampers to standard supension they can end up fully compressing before the axle reaches the bumpstops which is bad for the dampers.
If you want to fit longer dampers or lowered damper mounts then you should either extend the bumpstops downwards or reposition the damper mounts for longer dampers.
If you want to fit +5 dampers then have a look at the Gwyn Lewis challenge kit, it repositions the upper damper mounts so that +5 dampers can be used with standard bumpstops.
I've no direct expeiance of the X-eng suspension, form a concept point of view I can see some advantages over dislocation cones or using very long springs, but they still have the basic problems that any coil sprung suspension will have with weight transphere and traction. The biggest down side I can see with then is the look like a mud trap.
boss:
in the july edition of lrw there is a picture of the lrm "project 90" winning the twist of with those springs.....or i think its those :? either way that thing has massive articulation!
clbarclay:
Finally got an example sorted, based on measurements from the VM range rover. One slight problem with the measurements is that although its parked on level concret, it has no engine so you can add an inch or 2 lift to the diagrams which is why none of the angles match.
As I say these are not mm perfect but illistrate the point well enough. The diff is held with 2 bushes so can be considered not to rotate independant of the radius arms, therefore the diff roates in an arc around the radius arm/chassis mounting bush. The green is the diff and radius arm, the black is the propshaft and the rusty brown colour #-o (i did say this was an acurate representation) is the chassis/transphere box. Each picture has slightly more lift than the one above it.
The 2 measured angles are the working angles for both UJs and were calculated by the CAD model.
Just to explain the green shape, it is made up of a large triangle with the points being the location of the bushs and the slanted back point sticking out the top representing the position of the diff UJ.
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version